Battle of Pierres Noires

Battle of Pierres Noires
Part of World War II, Battle of the Atlantic, Invasion of Normandy
Date 5 July 1944 Location Iroise Sea, near Pierres Noires lighthouse 48°12′42″N 4°54′53″W / 48.21167°N 4.91472°W / 48.21167; -4.91472 Result Allied victory
Belligerents
Canada	Germany
Commanders and leaders
Dickson Wallace	Gerhard Palmgren
Strength
4 destroyers	4 patrol boats 1 U-boat
Casualties and losses
	1 patrol boat sunk 1 patrol boat damaged

The Battle of Pierres Noires was a naval action that occurred during the Allied Operation Dredger, involving several Royal Canadian Navy (RCN) destroyers and a German Kriegsmarine U-boat with surface escorts near Brest, France. The RCN force managed to sink or damage some of the escorts but the U-boat was able to escape.^[1]